Subtract 90/70 from 28/2
1st number: 14 0/2, 2nd number: 1 20/70
28/2 - 90/70 is 89/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 2 × 35 = 70,
28/2 = 28 × 35/2 × 35 = 980/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
90/70 = 90 × 1/70 × 1 = 90/70 - Subtract the two like fractions:
980/70 - 90/70 = 980 - 90/70 = 890/70 - After reducing the fraction, the answer is 89/7
- In mixed form: 125/7
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